The Fan,tubeaxial, cataloged under National Stock Number 4140-01-566-0397, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Curtis-Toledo, Inc.. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-566-0397 |
| Primary Part Number | FN48B3 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Curtis-Toledo, Inc. |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Inclosure Type | OPEN |
| Voltage in Volts and Current Type | 48.0 DC |
| Drive Type | DIRECT |
| Style Designator | FIXED |
| Operating Speed at Rated Capacity in RPM | 2850.0 |
| Prime Mover Type | ELECTRIC MOTOR |
| Electrical Connection Type | WIRE LEAD |
| Air Flow Rate | 45.0 CUBIC METERS PER MINUTE NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 853-048-03 | Ametek Programmable Power, Inc. (USA) |
| FN48B3 PRIMARY | Curtis-Toledo, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 031392 | 5/9 Secondary reference Comair Rotron Inc Sub of Kl Industries Inc |
NSN 4140-01-566-0397 is a Fan,tubeaxial, manufactured by Curtis-Toledo, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-566-0397 has 2 manufacturer part numbers on file: 853-048-03 (Ametek Programmable Power, Inc.), FN48B3 (Curtis-Toledo, Inc.).
Key specifications for FN48B3: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Inclosure Type: OPEN; Voltage in Volts and Current Type: 48.0 DC; Drive Type: DIRECT. 9 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.